Which of the following statements about series circuits is correct?

There is only one value of current throughout the circuit, but the potential difference varies across components.

The current varies at different points, but the potential difference is the same across all components.

Both current and potential difference are the same across all components.

The current changes in each component, and the potential difference remains constant.

Which of the following terms is a synonym for electrical current (I)?

Opposition to flow of electrons

Why are lamps in a house lighting circuit connected in parallel rather than in series?

The lamps can be turned off independently using switches.

If one lamp stops working, the remaining lamps become brighter.

Less current is taken from the power supply.

When more lamps are added, their brightness decreases.

Which statement is not correct for lamps connected in parallel?

They share the supply voltage equally between them.

They can be switched on and off separately.

They will remain bright if another lamp is connected in parallel.

They still operate if one lamp is removed.

The circuit shown contains three ammeters X, Y and Z. Which ammeter has the largest reading?

They all have the same reading.

Two 5.0Ω resistors are connected as shown in the diagram. What is the total resistance of this combination?

more than 5.0Ω but less than 10.0Ω

The diagram shows a circuit containing three ammeters P, Q and R. Which statement about the readings on the ammeters is correct?

The reading on P is equal to the reading on R.

The reading on P is equal to the reading on Q.

The reading on Q is greater than the reading on P.

The reading on Q is greater than the reading on R.

The diagram shows a lamp and a resistor connected in a circuit. The lamp is too bright. Which change to the circuit will decrease the current in the lamp and make it less bright?

connecting another resistor in series with the one in the circuit

connecting another resistor in parallel with the one in the circuit

exchanging the positions of the lamp and the resistor in the circuit

increasing the e.m.f. of the battery in the circuit

Y9 ELECTRICITY MEGAQUIZ

6th - 8th Grade

•

61 Qs

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Y9 ELECTRICITY MEGAQUIZ

Quiz

•

Science

•

6th - 8th Grade

•

Practice Problem

•

Medium

william haddock

Used 1+ times

FREE Resource

61 questions

Show all answers

FILL IN THE BLANK QUESTION

1 min • 1 pt

What is the electromotive force (e.m.f.) supplied by the battery in this circuit? (enter magnitude without units)

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A student wishes to determine the resistance of a resistor. She uses an ammeter and a voltmeter in a circuit. In which circuit are the ammeter and voltmeter connected correctly?

FILL IN THE BLANK QUESTION

1 min • 1 pt

Using the water flow analogy, what is the 'pressure' supplied by the battery in this circuit? (enter value only, without units)

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The diagram shows a circuit. What should be increased to increase the current in the circuit?

the e.m.f. of the battery

the length of the connecting wires

the resistance of the resistor

the temperature of the resistor

FILL IN THE BLANK QUESTION

1 min • 1 pt

Using the water flow analogy, what is the electrical 'pressure' (voltage) delivered to the load in this circuit? (enter the value only, without units)

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Two meters are connected in a circuit to measure the current in a component and the potential difference across the component. Which meters are used and how are they connected to the component?

an ammeter in parallel for current, a voltmeter in series for potential difference

an ammeter in series for current, a voltmeter in parallel for potential difference

a voltmeter in parallel for current, an ammeter in series for potential difference

a voltmeter in series for current, an ammeter in parallel for potential difference

FILL IN THE BLANK QUESTION

1 min • 1 pt

What is the resistance of the resistor in this circuit? (enter value only)

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Y9 ELECTRICITY MEGAQUIZ

61 questions

What is the electromotive force (e.m.f.) supplied by the battery in this circuit? (enter magnitude without units)

A student wishes to determine the resistance of a resistor. She uses an ammeter and a voltmeter in a circuit. In which circuit are the ammeter and voltmeter connected correctly?

Using the water flow analogy, what is the 'pressure' supplied by the battery in this circuit? (enter value only, without units)

The diagram shows a circuit. What should be increased to increase the current in the circuit?

Using the water flow analogy, what is the electrical 'pressure' (voltage) delivered to the load in this circuit? (enter the value only, without units)

Two meters are connected in a circuit to measure the current in a component and the potential difference across the component. Which meters are used and how are they connected to the component?

What is the resistance of the resistor in this circuit? (enter value only)

What is the unit used to measure the electrical pressure (push or pull) on electrons in a circuit?

If the current in the circuit is 2 amps, what is the resistance of the resistor?

What is the unit of resistance?

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